Patents by Inventor Kazuo Oosawa

Kazuo Oosawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7447522
    Abstract: There is provided a card holding structure that holds a SIM card in a housing without covering with a chargeable battery case to hold the SIM card. A card connector is fixed on a board of a portable terminal. The card is held by card holding portions provided at a front part of the card in a sliding direction of the card connector. A slope 4 provides a stopper, which slope is formed by a rectangular elastic piece, one end of which is fixed to a housing.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: November 4, 2008
    Assignee: NEC Corporation
    Inventors: Kazuya Kumazawa, Kazuo Oosawa
  • Patent number: 6977352
    Abstract: A transmissive key sheet using translucent resin, which is capable of effective illumination while ensuring the thinness of the entire key sheet as well as suppressing a decrease in light transmission, input keys using the transmissive key sheet, and electronic equipment with the input keys. A transmissive key sheet of input keys comprises a first key sheet unit and a second key sheet unit, the opposite side of the first key sheet unit from key tops and the opposite side of the second key sheet unit from pressure applicators being bonded together with a translucent adhesive. The key tops made of translucent resin are molded integral with a translucent resin film having letters on its under surface to provide the first key sheet unit. The pressure applicators made of translucent resin are molded integral with a translucent resin film to provide the second key sheet unit.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: December 20, 2005
    Assignee: NEC Corporation
    Inventor: Kazuo Oosawa
  • Publication number: 20050167254
    Abstract: A transmissive key sheet using translucent resin, which is capable of effective illumination while ensuring the thinness of the entire key sheet as well as suppressing a decrease in light transmission, input keys using the transmissive key sheet, and electronic equipment with the input keys. A transmissive key sheet of input keys comprises a first key sheet unit and a second key sheet unit, the opposite side of the first key sheet unit from key tops and the opposite side of the second key sheet unit from pressure applicators being bonded together with a translucent adhesive. The key tops made of translucent resin are molded integral with a translucent resin film having letters on its under surface to provide the first key sheet unit. The pressure applicators made of translucent resin are molded integral with a translucent resin film to provide the second key sheet unit.
    Type: Application
    Filed: March 1, 2005
    Publication date: August 4, 2005
    Inventor: Kazuo Oosawa
  • Publication number: 20040063462
    Abstract: There is provided a card holding structure that holds a SIM card in a housing without covering with a chargeable battery case to hold the SIM card.
    Type: Application
    Filed: September 29, 2003
    Publication date: April 1, 2004
    Applicant: NEC CORPORATION
    Inventors: Kazuya Kumazawa, Kazuo Oosawa
  • Patent number: D501851
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: February 15, 2005
    Assignee: NEC Corporation
    Inventors: Jun Watanabe, Kazuo Oosawa, Masakatsu Takizawa
  • Patent number: D505944
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: June 7, 2005
    Assignee: NEC Corporation
    Inventors: Jun Watanabe, Kazuo Oosawa, Jin Sakai, Masakatsu Takizawa
  • Patent number: D512713
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: December 13, 2005
    Assignee: NEC Corporation
    Inventors: Jun Watanabe, Kazuo Oosawa, Jin Sakai, Masakatsu Takizawa
  • Patent number: D476635
    Type: Grant
    Filed: August 15, 2002
    Date of Patent: July 1, 2003
    Assignee: NEC Corporation
    Inventors: Michio Nagai, Atsushi Ohta, Masaki Shimamura, Katsuya Sakaguchi, Kazuya Kumazawa, Kazuo Oosawa, Jin Kuramoto, Mitsuaki Kanada, Kazuhiko Yamaoka